1 | ; Project name : XTIDE Universal BIOS
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2 | ; Description : Device specific equates for IDE drives.
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3 |
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4 | ;
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5 | ; XTIDE Universal BIOS and Associated Tools
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6 | ; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2013 by XTIDE Universal BIOS Team.
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7 | ;
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8 | ; This program is free software; you can redistribute it and/or modify
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9 | ; it under the terms of the GNU General Public License as published by
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10 | ; the Free Software Foundation; either version 2 of the License, or
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11 | ; (at your option) any later version.
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12 | ;
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13 | ; This program is distributed in the hope that it will be useful,
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14 | ; but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 | ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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16 | ; GNU General Public License for more details.
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17 | ; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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18 | ;
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19 |
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20 | %ifndef DEVICEIDE_INC
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21 | %define DEVICEIDE_INC
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22 |
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23 | ; Reset delays
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24 | HSR0_RESET_WAIT_US EQU 6 ; Delay must be at least 5 us
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25 | HSR1_RESET_WAIT_US EQU 2100 ; Delay must be at least 2 ms
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26 |
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27 | ; Polling timeout delays (system timer ticks, 1 tick = 54.9 ms)
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28 | TIMEOUT_DRQ EQU 255 ; 14 s (some CF cards occasionally have long write delays)
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29 | TIMEOUT_SELECT_DRIVE_DURING_DRIVE_DETECTION EQU (500/55) ; 500 ms
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30 | TIMEOUT_MOTOR_STARTUP EQU (10000/55) ; 10 s
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31 | TIMEOUT_MAXIMUM EQU 255 ; We would actually want 31 seconds here but I don't think there are so slow drives
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32 |
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33 |
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34 | ; ATA specs say that in standby mode time to respond could be as long as 30 seconds
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35 | ; Note that some low-power drives (like Toshiba 1,8" HDD) have power management enabled by default
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36 | ; TODO: It might be better to define timeouts in IDEVARS (in ROMVARS) or in DPT. Having even a single bit in DPT means
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37 | ; we could adjust timeouts on runtime when enabling or disabling power management.
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38 | %ifdef MODULE_POWER_MANAGEMENT
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39 | TIMEOUT_BSY EQU TIMEOUT_MOTOR_STARTUP
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40 | TIMEOUT_DRDY EQU TIMEOUT_MOTOR_STARTUP
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41 | %else
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42 | TIMEOUT_BSY EQU (2600/55) ; 2600 ms
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43 | TIMEOUT_DRDY EQU (2600/55) ; 2600 ms
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44 | %endif
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45 |
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46 | %endif ; DEVICEIDE_INC
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